System Overview 1-13
Internal Board View
Figure 1-8 shows the major boards and backplanes inside the server.
A
B
C
D
G
H
E
F
A
Front panel board
B
Device backplane
(IDE device relay boards)
C
PCI board (located in PCI module)
D
CPU board (located in CPU module)
E
Main Backplane board
F
I/O panel board
G
Power backplane
H
SCSI backplane
Figure 1-8 Major Boards and Backplanes Inside the Server
Customer Replaceable Units (CRUs)
Certain hardware components within the server are defined as Customer Replaceable
Units (CRUs) of which most are hot-pluggable and redundant. Table 1-8 lists the CRUs
and whether they are hot pluggable or redundant hardware components.
Table 1-7. Customer Replaceable Units (CRUs)
CRU
Redundant
Hot
Pluggable
CPU module
Yes
Yes
Device module
No
No
PCI module
Yes
Yes
Power supply
Yes
Yes
PCI adapter cards
Yes
"
No
Hard disk drives
Yes
Yes
"
Only if PCI adapter cards are identical in both PCI modules.
Summary of Contents for Express5800 320La
Page 1: ...U s e r s G u i d e EXPRESS5800 320La 320La R...
Page 2: ...NEC...
Page 3: ...U s e r s G u i d e EXPRESS5800 320La 320La R...
Page 40: ...1 26 System Overview...
Page 55: ...Setting Up the System 2 15 Figure 2 10 UPS AC Power Cord with 30 amp plug L5 30P...
Page 60: ...2 20 Setting Up the System...
Page 154: ...4 68 CRU Replacement and Server Upgrades...
Page 185: ...A Technical Specifications Server Unit...
Page 188: ...A 4 Technical Specifications...
Page 189: ...B ROMPilot BIOS Error Codes ROMPilot BIOS Error Codes...
Page 192: ...B 4 ROMPilot BIOS Error Codes...
Page 202: ...10 Glossary...
Page 205: ...xx...
Page 206: ...456 01572 N00...